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A9857

Sigma-Aldrich

αα-Amilasa from Aspergillus oryzae

greener alternative

≥150 units/mg protein (biuret)

Sinónimos:

1,4-α-D-glucano glucanohidrolasa

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About This Item

Comisión internacional de enzimas:
3.2.1.1 (BRENDA, IUBMB)
EC Number:
232-588-1
MDL number:
MFCD00081319
UNSPSC Code:
12352204
eCl@ss:
32160410
NACRES:
NA.54

form

powder

Quality Level

200

specific activity

≥150 units/mg protein (biuret)

greener alternative product characteristics

Waste Prevention
Design for Energy Efficiency
Learn more about the Principles of Green Chemistry.

sustainability

Greener Alternative Product

greener alternative category

Enabling,

storage temp.

−20°C

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General description

We are committed to bringing you Greener Alternative Products, which adhere to one or more of The 12 Principles of Greener Chemistry. This product has been enhanced for energy efficiency and waste prevention when used in starch ethanol research. For more information see the article in biofiles.

Application

α-Amylase is used to hydrolyze α bonds of α-linked polysaccharides, such as starch and glycogen. α-Amylase has been used in various plant studies, such as metabolism studies in Arabidopsis . Amylases from Aspergillus oryzae are commonly used as baking additives to prevent staling in the baking industry, clarify haze from fruit juices and alcoholic beverages, and to produce glucose and maltose syrup products .

Biochem/physiol Actions

α-Amylase hydrolyzes the α-(1,4) glucan linkages in polysaccharides of three or more α-(1,4) linked D-glucose units. Natural substrates such as starch and glycogen are broken down into glucose and maltose. The International Union of Immunological Societies (IUIS) has classified α-amylase from Aspergillus oryzae (Asp o II) as an occupational allergen that can cause respiratory symptoms .

Quality

Crude

Unit Definition

One unit will liberate 1.0mg of maltose from starch in 3 min at pH 6.9 at 20 °C.

Physical form

powder

Other Notes

Véase más información sobre enzimas para análisis de carbohidratos complejos en www.sigma-aldrich.com/enzymeexplorer

Substrate

Referencia del producto
Descripción
Precios

pictograms

Health hazardExclamation mark
GHS08,GHS07

signalword

Danger

hcodes

H302,H334

Hazard Classifications

Acute Tox. 4 Oral - Resp. Sens. 1

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Faceshields, Gloves

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Certificados de análisis (COA)

Lot/Batch Number
0000405206
0000396726
0000396724
0000396725
0000387746

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X Baur et al.
Clinical and experimental allergy : journal of the British Society for Allergy and Clinical Immunology, 24(5), 465-470 (1994-05-01)
The commercially available alpha-amylase from Aspergillus oryzae which is widely used as a baking additive was compared with a highly purified enzyme preparation. We used enzyme allergosorbent test (EAST), EAST inhibition, sodium dodecyl sulfate-polyacrylamide gel electrophoresis (SDS-PAGE), isoelectric focussing, immunoblotting
Marit Navis et al.
Nutrients, 12(11) (2020-11-08)
Human milk is the optimal diet for infant development, but infant milk formula (IMF) must be available as an alternative. To develop high-quality IMF, bovine milk processing is required to ensure microbial safety and to obtain a protein composition that
Fengyuan Liu et al.
Food & function, 13(6), 3220-3233 (2022-02-26)
Both the liberation and stability of endogenous folate are relevant to the bioaccessibility of folate. Since folates are unstable, in addition to studying the natural folate content in foods, bioaccessibility should be considered. To understand folate changes during digestion, a
Sean McClure
Journal of AOAC International, 103(4), 1060-1072 (2020-11-27)
A multi-laboratory study was completed for AOAC First Action Method 2015.14. Ten laboratories from eight countries participated. Each laboratory analyzed (in duplicate) a placebo and 14 fortified nutritionals. Product matrices analyzed included milk, soy, partially hydrolyzed milk, partially hydrolyzed soy
Gladys Bichang'a et al.
Journal of chemical ecology, 44(11), 1030-1039 (2018-08-08)
Foraging parasitoids use chemical signals in host recognition and selection processes. Although, the volatiles play a relevant role in the localization by parasitoids of their hosts feeding on plants, the host identification process for acceptance occurs mainly during contact between
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Protocolos

Enzymatic Assay of α-Amylase (EC 3.2.1.1)

Follow our procedure for the determination of alpha-Amylase activity. This enzymatic assay of a-Amylase guides you through the entire process and necessary calculations.

Enzymatic Assay of α-Amylase (EC 3.2.1.1)

Follow our procedure for the determination of alpha-Amylase activity. This enzymatic assay of a-Amylase guides you through the entire process and necessary calculations.

Enzymatic Assay of α-Amylase (EC 3.2.1.1)

Follow our procedure for the determination of alpha-Amylase activity. This enzymatic assay of a-Amylase guides you through the entire process and necessary calculations.

Enzymatic Assay of α-Amylase (EC 3.2.1.1)

Follow our procedure for the determination of alpha-Amylase activity. This enzymatic assay of a-Amylase guides you through the entire process and necessary calculations.

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